The front and rear catalytic converters are integrated into front exhaust pipe as one unit; therefore, refer to “Front Exhaust Pipe” for installation procedure. 
EMISSION CONTROL (AUX. EMISSION CONTROL DEVICES)(H4DO 1.5) > Rear Catalytic Converter
The front and rear catalytic converters are integrated into front exhaust pipe as one unit; therefore, refer to “Front Exhaust Pipe” for installation procedure.